Home / 6,557.09-9,839.73-2,661.50

Finding the Fourth Proportional to 6,557.09, 9,839.73 and 2,661.50

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Solution

The fourth proportional to 6,557.09, 9,839.73 and 2,661.50 is: 3,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.09 : 9,839.73 = 2,661.50 : x
  2. Step 2: Convert to fraction form
    6,557.09/9,839.73 = 2,661.50/x
  3. Step 3: Cross multiply
    6,557.09x = 9,839.73 × 2,661.50
  4. Step 4: Simplify right side
    6,557.09x = 26,188,392.20
  5. Step 5: Solve for x
    x = 26,188,392.20/6,557.09
  6. Step 6: Final answer
    x = 3,993.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.